{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Combination.Drug", "Treatment.Duration", "Treatment.Disorder", "Effect", "Subject.Gender", "Subject.Disorder", "Treatment.Route", "Subject.Population", "Treatment"]}], "input": "Preadmission warfarin use was not associated with any secondary intracerebral hemorrhage (OR, 1.2; 95% CI, 0.7 to 2.2), symptomatic intracerebral hemorrhage (OR, 1.1; 95% CI, 0.5 to 2.3), or gastrointestinal hemorrhage (OR, 1.1; 95% CI, 0.2 to 5.6)."}
{"adverse event": [{"Combination.Drug": "NAN", "Treatment.Duration": "NAN", "Treatment.Disorder": "NAN", "Effect": "any secondary intracerebral hemorrhage (OR, 1.2; 95% CI, 0.7 to 2.2), symptomatic intracerebral hemorrhage (OR, 1.1; 95% CI, 0.5 to 2.3), or gastrointestinal hemorrhage (OR, 1.1; 95% CI, 0.2 to 5.6)", "Subject.Gender": "NAN", "Subject.Disorder": "NAN", "Treatment.Route": "NAN", "Subject.Population": "NAN", "Treatment": "Preadmission warfarin"}]}